Science Past Papers _verified_ — 0893

Simply printing a paper and filling it out is not enough. Follow this proven method:

45 minutes, 50 marks. Includes short-answer and multiple-choice questions. 0893 Science Past Papers

A student investigates how temperature affects the rate of reaction between hydrochloric acid and magnesium. a) Name the independent variable. [1] b) Suggest one variable they should keep constant. [1] c) Describe how they could measure the rate of reaction. [2] Simply printing a paper and filling it out is not enough

A student investigates the effect of light intensity on the rate of photosynthesis in pondweed. The student counts the number of bubbles of gas produced per minute. Table 2.1 shows the results. A student investigates how temperature affects the rate

Write the correct mark scheme answer next to your wrong one. This physically rewires your memory.

Periodic Table, Density, Rates of Reaction, Chemical Bonding Energy, Waves, Electrical Circuits, Motion Earth & Space Solar System, Nebulae, Environmental Change, Extinction Thinking & Working Scientifically